package com.itstudy.service;

/**
 * @ClassName: com.itstudy.service.IHelloService
 * @Auther: Jerry
 * @Date: 2020/8/17 23:54
 * @Desctiption: IHelloService接口
 * @Version: 1.0
 */
public interface IHelloService {

    String sayHello(String msg);
}
